EXPERIMENT STATION RECORD, 



EDITED BY 



A. C. TRUE, Ph. D., Director, 



AND 



E. W. Allen, Ph. D., Assistant Director — Chemistry, Dairy Farming, and Dairying. 

 W. H. Beal — Meteorology, Fertilizers (including methods of analysis), Soils, and 



Agricultural Engineering. 

 Walter H. Evans, Ph. D. — Botany and Diseases of Plants. 

 C. F. Langworthy, Ph. D. — Foods and Animal Production. 



F. C. Kenyon, Ph. D. — Entomology and Veterinary Science. 

 R. A. EMERSON — Horticulture. 



J. I. SCHULTE — Field Crops. 



With the cooperation of the scientific divisions of the Department and the Abstract 

 Committee of the Association of Official Agricultural Chemists. 



CONTENTS of Vol. IX, No. i. 



Page. 



Editorial notes: Feeding stuffs control 1 



Agricultural associations in Belgium, P. do Yuyst 3 



Recent work in agricultural science 22 



Notes 99 



SUBJECT LIST OF ABSTRACTS. 



CHEMISTRY. 



Analytical investigations of the hydrolysis of starch by acids, G. W. Rolfe and 



G. Defren 22 



Constitution of the carbohydrates of the straw of cereals, C. F. Cross and C. 



Smith 23 



Investigations on phosphoric acid, Berthelot and G. Andr6 23 



The determination of potash, A. Mercier 24 



BOTANY. 



The evolution of heat by wounded plants, H. M. Richards 26 



Assimilatory inhibition of plants, A. J. E wart 28 



METEOROLOGY. 



Annual summary of meteorological observations in the United States, 1896 29 



Monthly Weather Review, Vol. XXV, Nos. 1-3 30 



On the causes of injury from frosts, F. F. Bruijnmg and A. Mayer 31 



SOILS. 



The soils of Hagerstown valley, C. W. Dorsey 31 



The determination of free humus acids in moor soils, B. Tacke 32 



Some notes concerning the nitrogen content of soils and humus, E. Fulmer. .. 33 

 On the improvement of retentive clays: Drainage of the so-called '"'hard pan'' 



lands of southern Illinois, E. Davenport 33 



FERTILIZERS. 



Experiments with urine and liquid manure, 1889-95, N. A. Hansen 34 



Are the chemical substances used in sterilizing human excrement injurious to 



agricultural plants and to the beneficial organisms of the soil? H. Peterman. 35 



i 



